Voice assistants are slowly but steadily finding their way into our homes in various shapes and forms, as people warm up to the idea of conversing with a piece of software when they need something. And since voice assistants rely solely on, well, their voice, that’s a pretty important aspect of their appeal.

Amazon’s Alexa is currently the most popular assistant when it comes to dedicated smart speakers and while the way she speaks can hardly be mistaken for a human, it’s doing a decent job at not sounding too robotic. Alexa’s creators think that’s not good enough and are working on giving ...